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-rw-r--r--fs/ocfs2/sysfile.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/ocfs2/sysfile.c b/fs/ocfs2/sysfile.c
index f053688d22a3..af155c183123 100644
--- a/fs/ocfs2/sysfile.c
+++ b/fs/ocfs2/sysfile.c
@@ -113,9 +113,11 @@ struct inode *ocfs2_get_system_file_inode(struct ocfs2_super *osb,
} else
arr = get_local_system_inode(osb, type, slot);
+ mutex_lock(&osb->system_file_mutex);
if (arr && ((inode = *arr) != NULL)) {
/* get a ref in addition to the array ref */
inode = igrab(inode);
+ mutex_unlock(&osb->system_file_mutex);
BUG_ON(!inode);
return inode;
@@ -129,6 +131,7 @@ struct inode *ocfs2_get_system_file_inode(struct ocfs2_super *osb,
*arr = igrab(inode);
BUG_ON(!*arr);
}
+ mutex_unlock(&osb->system_file_mutex);
return inode;
}